Radiometric dating graph

19-Aug-2017 20:56

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Routinely, if the data set is large, a few outlying data points are ignored if they don’t plot on the line.Geologists justify this, saying that some geochemical alteration in the past disturbed the radioisotopes in those samples.The problem is that we don’t know whether these assumptions are reasonable (because they are not provable), and it is especially awkward for metamorphic rocks.Geologists overcome this problem by ‘interpreting’ the result.

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They are also small compared with the variation in ages between samples.

Many people, including many scientists, accept these dates as absolute truth.